/* =====================================================================
   UNIVERCODE — main.css
   Site institucional · Tema dark · CSS puro vanilla · Mobile-first
   WCAG 2.2 AA · prefers-reduced-motion · sem dependências externas
   ===================================================================== */

/* ============ RESET & BASE ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html[data-theme="dark"]  { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

img,
svg,
video,
canvas,
picture {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ============ CSS VARIABLES ============ */
:root {
  /* Brand */
  --color-brand-primary: #9a71ff;
  --color-brand-primary-600: #7e54f2;
  --color-brand-primary-300: #b89bff;
  --color-brand-deep: #271d40;
  --color-brand-black: #1d1d1d;
  --color-brand-offwhite: #f5f3ff;

  /* Accent */
  --color-accent-primary: #3df0d8;
  --color-accent-primary-600: #1fd3bb;

  /* Backgrounds */
  --color-bg-base: #0a0814;
  --color-bg-elevated: #110d1f;
  --color-surface-1: #161127;
  --color-surface-2: #1f1733;
  --color-surface-inverted: #f5f3ff;

  /* Texto */
  --color-text-primary: #f5f3ff;
  --color-text-secondary: rgba(245, 243, 255, .72);
  --color-text-muted: rgba(245, 243, 255, .52);
  --color-text-on-light: #1d1d1d;
  --color-text-on-brand: #ffffff;

  /* Bordas */
  --color-border-subtle: rgba(154, 113, 255, .14);
  --color-border-strong: rgba(154, 113, 255, .32);
  --color-border-divider: rgba(245, 243, 255, .08);

  /* Status */
  --color-success: #3df0d8;
  --color-error: #ff6b8a;
  --color-warning: #ffb347;
  --color-focus-ring: #3df0d8;

  /* Tipografia */
  --font-display: "Space Grotesk", "Open Sans", system-ui, sans-serif;
  --font-body: "Open Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  --fs-display: clamp(2.75rem, 1.5rem + 5vw, 5.25rem);
  --fs-h1: clamp(2.25rem, 1.4rem + 3.5vw, 3.75rem);
  --fs-h2: clamp(1.75rem, 1.2rem + 2vw, 2.5rem);
  --fs-h3: clamp(1.25rem, 1rem + 1vw, 1.5rem);
  --fs-body: clamp(1rem, .95rem + .2vw, 1.0625rem);
  --fs-body-sm: .9375rem;
  --fs-caption: .8125rem;
  --fs-mono: .875rem;

  --lh-tight: 1.05;
  --lh-snug: 1.2;
  --lh-normal: 1.55;
  --lh-relaxed: 1.7;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --tracking-tight: -0.02em;
  --tracking-wide: 0.08em;

  /* Espaçamento */
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-section-y: clamp(4rem, 6vw, 7.5rem);
  --container-max: 1240px;
  --container-px: clamp(1.25rem, 4vw, 2rem);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, .35);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, .5);
  --shadow-glow: 0 0 0 1px rgba(154, 113, 255, .35), 0 18px 60px -12px rgba(154, 113, 255, .55);
  --shadow-glow-cyan: 0 0 0 1px rgba(61, 240, 216, .35), 0 18px 60px -12px rgba(61, 240, 216, .45);

  /* Z-index */
  --z-base: 1;
  --z-sticky: 50;
  --z-header: 100;
  --z-scroll-top: 200;
  --z-tooltip: 300;
  --z-modal: 1000;

  /* Motion */
  --ease-out: cubic-bezier(.2, .8, .2, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --dur-fast: 150ms;
  --dur-base: 240ms;
  --dur-slow: 480ms;

  /* Header sizing */
  --header-h: 64px;

  /* Theme-reactive surfaces (refactored from hardcoded) */
  --color-header-bg: rgba(10, 8, 20, .72);
  --color-header-bg-scrolled: rgba(10, 8, 20, .88);
  --color-hero-card-bg: rgba(22, 17, 39, .72);
  --color-body-bg-image:
    radial-gradient(ellipse at top, rgba(154, 113, 255, .08) 0%, transparent 60%),
    radial-gradient(ellipse at bottom right, rgba(61, 240, 216, .04) 0%, transparent 60%);
}

/* ============ LIGHT THEME TOKENS ============ */
[data-theme="light"] {
  --color-bg-base: #f5f3ff;
  --color-bg-elevated: #ffffff;
  --color-surface-1: #ffffff;
  --color-surface-2: #f5f3ff;
  --color-surface-inverted: #0a0814;

  --color-text-primary: #1d1d1d;
  --color-text-secondary: rgba(29, 29, 29, .72);
  --color-text-muted: rgba(29, 29, 29, .55);
  --color-text-on-light: #1d1d1d;
  --color-text-on-brand: #ffffff;

  --color-border-subtle: rgba(39, 29, 64, .06);
  --color-border-strong: rgba(39, 29, 64, .14);
  --color-border-divider: rgba(29, 29, 29, .06);

  --color-brand-primary-300: #7e54f2;     /* darker para contraste em fundo claro */
  --color-accent-primary: #1fd3bb;        /* ciano mais escuro para legibilidade em light */
  --color-accent-primary-600: #15a892;

  --color-focus-ring: #7e54f2;

  --shadow-md: 0 4px 16px rgba(39, 29, 64, .06);
  --shadow-lg: 0 12px 36px rgba(39, 29, 64, .10);
  --shadow-glow: 0 4px 24px rgba(39, 29, 64, .08);
  --shadow-glow-cyan: 0 4px 24px rgba(39, 29, 64, .06);

  /* Theme-reactive surfaces */
  --color-header-bg: rgba(255, 255, 255, .85);
  --color-header-bg-scrolled: rgba(255, 255, 255, .94);
  --color-hero-card-bg: rgba(255, 255, 255, .92);
  /* Light theme: sem radial-gradients no body (mantém fundo limpo) */
  --color-body-bg-image: none;
}

/* ============ @FONT-FACE ============ */
@font-face {
  font-family: "Open Sans";
  src: url("../fonts/OpenSans-Variable.ttf") format("truetype-variations"),
       url("../fonts/OpenSans-Variable.ttf") format("truetype");
  font-weight: 300 800;
  font-stretch: 75% 100%;
  font-style: normal;
  font-display: swap;
}

/* ============ BODY, CONTAINER, UTILITIES ============ */
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-base);
  background-image: var(--color-body-bg-image);
  background-attachment: fixed;
  background-repeat: no-repeat;
  min-height: 100vh;
  overflow-x: hidden;
}

body.is-nav-open {
  overflow: hidden;
}

main {
  display: block;
}

section {
  position: relative;
  padding-block: var(--space-section-y);
}

/* Containers (suportando .container e os *__container do HTML) */
.container,
.hero__container,
.stack__container,
.about__container,
.services__container,
.process__container,
.metrics__container,
.values__container,
.contact__container,
.footer__container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* Eyebrow */
.eyebrow {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent-primary);
  margin-bottom: var(--space-4);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 1.5px;
  background: currentColor;
  vertical-align: middle;
  margin-right: var(--space-2);
  opacity: .8;
}

/* Visually hidden */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  z-index: var(--z-modal);
  padding: var(--space-3) var(--space-5);
  background: var(--color-brand-primary);
  color: var(--color-text-on-brand);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: top var(--dur-base) var(--ease-out);
}

.skip-link:focus,
.skip-link:focus-visible {
  top: var(--space-4);
}

/* ============ HEADINGS & SECTION-TITLE ============ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
}

h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-snug);
}

h3 {
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
  font-weight: var(--fw-semibold);
}

h4 {
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
}

p {
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

.section-header {
  margin-bottom: var(--space-12);
  max-width: 760px;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  max-width: 24ch;
  margin-bottom: var(--space-6);
}

.section-subtitle {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  max-width: 56ch;
  line-height: var(--lh-relaxed);
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  line-height: 1.2;
  letter-spacing: 0;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn svg {
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-out);
}

/* Primary */
.btn--primary {
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-primary-600) 100%);
  color: var(--color-text-on-brand);
  box-shadow: var(--shadow-glow);
}

.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, .25) 50%, transparent 100%);
  transform: translateX(-110%);
  transition: transform var(--dur-slow) var(--ease-out);
  z-index: -1;
  pointer-events: none;
}

.btn--primary:hover {
  box-shadow: 0 0 0 1px rgba(154, 113, 255, .55), 0 24px 70px -10px rgba(154, 113, 255, .7);
}

.btn--primary:hover::after {
  transform: translateX(110%);
}

.btn--primary:hover svg {
  transform: translateX(3px);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong);
}

.btn--ghost:hover {
  background: rgba(154, 113, 255, .08);
  border-color: var(--color-brand-primary-300);
}

/* Sizes */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--fs-body-sm);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
}

.btn--block {
  width: 100%;
  justify-content: center;
}

/* Loading state */
.btn__loading {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.btn__loading[hidden] { display: none; }

.btn[aria-busy="true"] .btn__label { display: none; }
.btn[aria-busy="true"] .btn__loading { display: inline-flex; }

/* ============ HEADER & NAVIGATION ============ */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-header);
  background: var(--color-header-bg);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--color-border-subtle);
  transition:
    background var(--dur-base) var(--ease-out),
    backdrop-filter var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}

.header__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  transition: height var(--dur-base) var(--ease-out);
}

body.is-scrolled .header,
.header.is-compact {
  background: var(--color-header-bg-scrolled);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-bottom-color: var(--color-border-strong);
}

body.is-scrolled .header__inner,
.header.is-compact .header__inner {
  height: 56px;
}

.header__brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo {
  height: 32px;
  width: auto;
  transition: opacity var(--dur-base) var(--ease-out);
}

.header__brand:hover .header__logo {
  opacity: .85;
}

/* ============ LOGO THEME VARIANTS (header + footer) ============ */
/* Default (dark theme): mostra a versão "--dark" (logo claro/branco), oculta a "--light" */
.header__logo--light,
.footer__logo--light {
  display: none;
}

[data-theme="light"] .header__logo--dark,
[data-theme="light"] .footer__logo--dark {
  display: none;
}

[data-theme="light"] .header__logo--light,
[data-theme="light"] .footer__logo--light {
  display: inline-block;
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--dur-base) var(--ease-out);
}

.header__nav-link::after {
  content: "";
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: 4px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-brand-primary), var(--color-accent-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}

.header__nav-link:hover,
.header__nav-link:focus-visible {
  color: var(--color-text-primary);
}

.header__nav-link:hover::after,
.header__nav-link:focus-visible::after {
  transform: scaleX(1);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header__cta {
  display: none;
}

.header__menu-toggle {
  position: relative;
  width: 40px;
  height: 40px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--radius-sm);
  transition: background var(--dur-base) var(--ease-out);
}

.header__menu-toggle:hover {
  background: rgba(154, 113, 255, .08);
}

.header__menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
  transform-origin: center;
}

.header__menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.header__menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============ THEME TOGGLE (sun/moon switch) ============ */
.theme-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  width: 48px;
  height: 28px;
  padding: 2px;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  cursor: pointer;
  flex-shrink: 0;
  transition:
    background var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}

.theme-toggle:hover {
  border-color: var(--color-border-strong);
  box-shadow: 0 0 0 3px rgba(154, 113, 255, .12);
}

.theme-toggle__track {
  position: relative;
  width: 100%;
  height: 100%;
}

.theme-toggle__thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-primary-600));
  border-radius: var(--radius-full);
  color: #ffffff;
  box-shadow: var(--shadow-md);
  transition: transform 240ms var(--ease-out), background var(--dur-base) var(--ease-out);
}

.theme-toggle__icon {
  flex-shrink: 0;
  pointer-events: none;
}

/* Dark mode default: lua visível, sol oculto */
.theme-toggle__icon--sun  { display: none; }
.theme-toggle__icon--moon { display: inline-block; }

/* Light mode: thumb desliza para direita, sol visível */
[data-theme="light"] .theme-toggle__thumb {
  transform: translateX(20px);
}

[data-theme="light"] .theme-toggle__icon--moon { display: none; }
[data-theme="light"] .theme-toggle__icon--sun  { display: inline-block; }

@media (min-width: 768px) {
  .theme-toggle {
    width: 56px;
    height: 30px;
  }

  .theme-toggle__thumb {
    width: 24px;
    height: 24px;
  }

  [data-theme="light"] .theme-toggle__thumb {
    transform: translateX(26px);
  }
}

/* ============ LANGUAGE SWITCHER ============ */
.lang-switcher {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
}

.lang-switcher__trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 32px;
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-1);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition:
    background var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out);
}

.lang-switcher__trigger:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border-strong);
}

.lang-switcher__flag {
  display: inline-flex;
  width: 22px;
  height: 16px;
  border-radius: 2px;
  overflow: hidden;
  flex-shrink: 0;
}

.lang-switcher__flag svg,
.lang-switcher__flag > svg {
  width: 100%;
  height: 100%;
  display: block;
}

.lang-switcher__code {
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-wide);
  font-weight: var(--fw-semibold);
}

.lang-switcher__chevron {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-out);
  color: var(--color-text-secondary);
}

.lang-switcher__trigger[aria-expanded="true"] .lang-switcher__chevron {
  transform: rotate(180deg);
}

.lang-switcher__menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  left: auto;
  min-width: 180px;
  padding: var(--space-2);
  margin: 0;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  list-style: none;
  z-index: var(--z-tooltip);
}

.lang-switcher__menu[hidden] {
  display: none;
}

.lang-switcher__option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font: inherit;
  font-size: var(--fs-body-sm);
  text-align: left;
  cursor: pointer;
  transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}

.lang-switcher__option:hover,
.lang-switcher__option:focus-visible {
  background: var(--color-surface-2);
}

.lang-switcher__menu [role="option"][aria-selected="true"] .lang-switcher__option {
  color: var(--color-brand-primary-300);
  font-weight: var(--fw-semibold);
  position: relative;
}

.lang-switcher__menu [role="option"][aria-selected="true"] .lang-switcher__option::after {
  content: "";
  margin-left: auto;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: currentColor;
  flex-shrink: 0;
}

/* ============ MOBILE NAV DRAWER ============ */
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 360px;
  height: 100vh;
  height: 100svh;
  padding: calc(var(--header-h) + var(--space-8)) var(--space-6) var(--space-8);
  background: var(--color-bg-elevated);
  border-left: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-lg);
  z-index: calc(var(--z-header) - 1);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-out);
  overflow-y: auto;
}

.mobile-nav[hidden] {
  display: flex;
}

.mobile-nav:not([hidden]) {
  transform: translateX(0);
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-4) var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border-divider);
  transition: color var(--dur-base) var(--ease-out), padding-left var(--dur-base) var(--ease-out);
}

.mobile-nav__link:hover,
.mobile-nav__link:focus-visible {
  color: var(--color-accent-primary);
  padding-left: var(--space-5);
}

.mobile-nav__cta {
  margin-top: auto;
}

/* ============ SCROLL PROGRESS ============ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-brand-primary), var(--color-accent-primary));
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  z-index: calc(var(--z-header) + 1);
  pointer-events: none;
  will-change: transform;
}

/* ============ HERO ============ */
.hero {
  position: relative;
  padding-top: calc(var(--space-24) + 1.5rem);
  padding-bottom: var(--space-section-y);
  overflow: hidden;
  isolation: isolate;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: .8;
}

/* ============ HERO BRAND WATERMARK ============ */
.hero__watermark {
  position: absolute;
  right: -30%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(220px, 60vw, 360px);
  height: auto;
  color: var(--color-brand-primary);
  opacity: .04;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

[data-theme="light"] .hero__watermark {
  opacity: .03;
}

@media (max-width: 1023.98px) {
  [data-theme="light"] .hero__watermark {
    display: none;
  }
}

@media (min-width: 768px) {
  .hero__watermark {
    right: -8%;
    width: clamp(280px, 36vw, 520px);
    opacity: .05;
  }
}

.hero__container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-top: var(--space-4);
  max-width: 18ch;
}

.hero__subheadline {
  font-size: calc(var(--fs-body) + .0625rem);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
  max-width: 56ch;
  margin-top: var(--space-6);
  margin-bottom: var(--space-6);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  margin-top: var(--space-2);
}

.hero__actions .btn {
  width: 100%;
}

.hero__trust {
  margin-top: var(--space-8);
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__card {
  position: relative;
  width: 100%;
  max-width: clamp(280px, 32vw, 380px);
  padding: var(--space-6) var(--space-6) var(--space-5);
  background: var(--color-hero-card-bg);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
  animation: hero-card-float 4s var(--ease-in-out) infinite alternate;
}

@keyframes hero-card-float {
  from { transform: translateY(-6px); }
  to   { transform: translateY(6px); }
}

.hero__card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--color-text-secondary);
}

.hero__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.hero__status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  box-shadow: 0 0 0 3px rgba(61, 240, 216, .18);
  animation: hero-status-pulse 2s var(--ease-out) infinite alternate;
}

@keyframes hero-status-pulse {
  from { transform: scale(1);    opacity: 1;  }
  to   { transform: scale(1.15); opacity: .6; }
}

.hero__card-label {
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* ============ HERO HUB ============ */
.hero__hub {
  position: relative;
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1;
  margin-inline: auto;
}

.hero__hub-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--color-brand-primary);
  pointer-events: none;
}

.hero__hub-lines line {
  stroke-dasharray: 200;
  stroke-dashoffset: 0;
  animation: hub-draw 1.6s var(--ease-out) backwards;
}

.hero__hub-lines line:nth-child(1) { animation-delay: 200ms; }
.hero__hub-lines line:nth-child(2) { animation-delay: 400ms; }
.hero__hub-lines line:nth-child(3) { animation-delay: 600ms; }
.hero__hub-lines line:nth-child(4) { animation-delay: 800ms; }

@keyframes hub-draw {
  from { stroke-dashoffset: 200; opacity: 0; }
  to   { stroke-dashoffset: 0;   opacity: 1; }
}

.hero__hub-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-brand-primary);
  filter: drop-shadow(0 0 16px rgba(154, 113, 255, .45));
  z-index: 1;
}

.hero__hub-center > svg {
  width: 100%;
  height: 100%;
}

.hero__hub-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-brand-primary);
  opacity: .35;
  transform: translate(-50%, -50%);
  animation: hub-ring-pulse 2.4s ease-out infinite;
  pointer-events: none;
}

@keyframes hub-ring-pulse {
  0%   { transform: translate(-50%, -50%) scale(.9);  opacity: .35; }
  100% { transform: translate(-50%, -50%) scale(2.2); opacity: 0;   }
}

.hero__hub-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: hub-node-fade-in 600ms var(--ease-out) backwards;
  animation-delay: var(--delay, 0ms);
}

.hero__hub-node > svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent-primary);
}

.hero__hub-node--tl { top: 4%;    left: 4%;  }
.hero__hub-node--tr { top: 4%;    right: 4%; }
.hero__hub-node--bl { bottom: 4%; left: 4%;  }
.hero__hub-node--br { bottom: 4%; right: 4%; }

.hero__hub-label {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-wide);
}

@keyframes hub-node-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0);   }
}

.hero__card-footer {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-divider);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  text-align: center;
}

/* ============ STACK ============ */
.stack {
  content-visibility: auto;
  contain-intrinsic-size: 1px 600px;
}

.stack__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.stack__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition:
    transform var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out);
}

.stack__icon {
  width: 32px;
  height: 32px;
  color: var(--color-text-muted);
  opacity: .6;
  transition:
    color var(--dur-base) var(--ease-out),
    opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}

.stack__label {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
}

.stack__item:hover {
  border-color: var(--color-border-subtle);
  background: rgba(154, 113, 255, .04);
  transform: translateY(-2px);
}

.stack__item:hover .stack__icon {
  color: var(--color-brand-primary-300);
  opacity: 1;
  transform: translateY(-2px);
}

.stack__item:hover .stack__label {
  color: var(--color-text-secondary);
}

/* ============ ABOUT ============ */
.about {
  content-visibility: auto;
  contain-intrinsic-size: 1px 600px;
}

.about__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

.about__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
  min-width: 0;
}

.about__intro .section-title {
  max-width: 22ch;
}

.about__lead {
  font-size: calc(var(--fs-body) + .0625rem);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
  max-width: 60ch;
  margin-top: var(--space-6);
}

.about__manifest {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: manifest;
}

.about__manifest-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4) var(--space-5);
  align-items: start;
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border-divider);
}

.about__manifest-item:first-child {
  border-top: none;
  padding-top: 0;
}

.about__manifest-item__num {
  font-family: var(--font-mono);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent-primary);
  line-height: 1;
  padding-top: 6px;
  min-width: 28px;
}

.about__manifest-item__body {
  min-width: 0;
}

.about__manifest-item__title {
  font-family: var(--font-display);
  font-size: calc(var(--fs-body) + .1875rem);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2);
  letter-spacing: var(--tracking-tight);
}

.about__manifest-item__desc {
  font-size: var(--fs-body-sm);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
  margin: 0;
}

@media (min-width: 768px) {
  .about__manifest-item { padding: var(--space-6) 0; gap: var(--space-4) var(--space-6); }
  .about__manifest-item__num { padding-top: 8px; }
}

/* About visual — foto enquadrada (landscape) com glow + grid pattern + chips flutuantes */
.about__visual {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  isolation: isolate;
  order: 2;
}

.about__visual-glow {
  position: absolute;
  inset: -12% -8%;
  z-index: 0;
  border-radius: 50%;
  background: radial-gradient(ellipse at 30% 55%, rgba(154, 113, 255, .55), rgba(154, 113, 255, 0) 65%);
  filter: blur(40px);
  transform: scale(1.05);
  pointer-events: none;
}

.about__visual-grid {
  position: absolute;
  inset: -10% -6%;
  z-index: 1;
  opacity: .22;
  background-image: radial-gradient(circle, var(--color-border-strong) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(ellipse at center, black 25%, transparent 70%);
  mask-image: radial-gradient(ellipse at center, black 25%, transparent 70%);
  pointer-events: none;
}

.about__visual-picture {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 30px 50px rgba(0, 0, 0, .30);
}

.about__visual-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
  animation: about-float 6s ease-in-out infinite;
  will-change: transform;
}

@keyframes about-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

.about__visual-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--color-text-primary);
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  line-height: 1;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(8px);
  animation: about-chip-in 600ms var(--ease-out) forwards;
}

.about__visual-chip svg {
  flex-shrink: 0;
  color: var(--color-accent-primary);
}

.about__visual-chip--top {
  top: 8%;
  left: -4%;
  animation-delay: 400ms;
}

.about__visual-chip--bottom {
  bottom: 10%;
  right: -6%;
  animation-delay: 700ms;
}

@keyframes about-chip-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about__visual-chip-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  box-shadow: 0 0 0 4px rgba(61, 240, 216, .18);
  animation: about-chip-dot-pulse 2s ease-in-out infinite alternate;
}

@keyframes about-chip-dot-pulse {
  from { transform: scale(1);    opacity: 1; }
  to   { transform: scale(1.15); opacity: .6; }
}

/* ============ SERVICES ============ */
.services {
  content-visibility: auto;
  contain-intrinsic-size: 1px 900px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* Generic card */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-8);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
  transition:
    transform var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out);
}

/* Spotlight follow-cursor (JS sets --mx / --my) */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(154, 113, 255, .15), transparent 40%);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
  pointer-events: none;
  z-index: -1;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-glow);
  background: var(--color-surface-2);
}

.card:hover::before {
  opacity: 1;
}

.card__index {
  font-family: var(--font-mono);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  color: var(--color-brand-primary-300);
  opacity: .6;
  letter-spacing: var(--tracking-wide);
}

.card__icon {
  width: 28px;
  height: 28px;
  color: var(--color-accent-primary);
  margin-bottom: var(--space-1);
  transition: transform var(--dur-base) var(--ease-out);
}

.card:hover .card__icon {
  transform: scale(1.06);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  color: var(--color-text-primary);
}

.card__desc {
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-2);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body-sm);
  color: var(--color-accent-primary);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-out);
}

.card__link svg {
  transition: transform var(--dur-base) var(--ease-out);
}

.card__link:hover {
  color: var(--color-accent-primary-600);
}

.card__link:hover svg {
  transform: translateX(4px);
}

/* ============ PROCESS ============ */
.process {
  content-visibility: auto;
  contain-intrinsic-size: 1px 700px;
}

.process__timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.process__timeline::before {
  content: "";
  position: absolute;
  top: 28px;
  bottom: 28px;
  left: 28px;
  width: 1px;
  background: linear-gradient(180deg, var(--color-brand-primary), var(--color-accent-primary));
  opacity: .35;
}

.process__step {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-5);
  align-items: start;
}

.process__num {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-accent-primary);
  position: relative;
  z-index: 1;
}

.process__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.process__desc {
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

/* ============ METRICS ============ */
.metrics {
  content-visibility: auto;
  contain-intrinsic-size: 1px 500px;
}

.metrics__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
  border-left: 1px solid var(--color-border-subtle);
}

.metric__value {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 1.5rem + 3vw, 4rem);
  font-weight: var(--fw-bold);
  line-height: 1;
  letter-spacing: -.02em;
  background: linear-gradient(135deg, var(--color-brand-primary-300) 0%, var(--color-accent-primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.metric__label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-primary);
}

.metric__caption {
  font-size: var(--fs-body-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}

/* ============ VALUES ============ */
.values {
  content-visibility: auto;
  contain-intrinsic-size: 1px 500px;
}

.values__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* ============ CTA BANNER ============ */
.cta-banner {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  content-visibility: auto;
  contain-intrinsic-size: 1px 400px;
}

.cta-banner__figure {
  position: absolute;
  right: -4%;
  bottom: -6%;
  width: clamp(280px, 36vw, 440px);
  height: auto;
  z-index: 0;
  pointer-events: none;
  -webkit-mask-image:
    linear-gradient(to left, black 60%, transparent),
    linear-gradient(to top, black 60%, transparent);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to left, black 60%, transparent),
    linear-gradient(to top, black 60%, transparent);
  mask-composite: intersect;
}

.cta-banner__figure img {
  width: 100%;
  height: auto;
  display: block;
  opacity: .22;
  filter: grayscale(.5) saturate(.7) brightness(1.05);
}

.cta-banner__inner {
  position: relative;
  z-index: 1;
  width: calc(100% - var(--container-px) * 2);
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-16) var(--container-px);
  background: linear-gradient(135deg, var(--color-brand-deep) 0%, var(--color-bg-base) 70%);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}

.cta-banner__inner::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at 20% 30%, rgba(154, 113, 255, .35), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(61, 240, 216, .25), transparent 55%);
  filter: blur(60px);
  opacity: .8;
  z-index: -1;
  pointer-events: none;
}

.cta-banner .eyebrow {
  margin-bottom: var(--space-4);
}

.cta-banner__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  max-width: 24ch;
  margin: 0 auto var(--space-5);
}

.cta-banner__sub {
  color: var(--color-text-secondary);
  max-width: 60ch;
  margin: 0 auto var(--space-8);
  line-height: var(--lh-relaxed);
}

/* ============ CONTACT (info + form) ============ */
.contact {
  content-visibility: auto;
  contain-intrinsic-size: 1px 900px;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: stretch;
}

.contact__info {
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 0 1px rgba(154, 113, 255, .04), 0 8px 30px -8px rgba(154, 113, 255, .2);
}

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border-divider);
}

.contact__info-item:first-child {
  border-top: none;
  padding-top: 0;
}

.contact__info-item svg {
  flex-shrink: 0;
  color: var(--color-accent-primary);
  margin-top: 2px;
}

.contact__info-body h3 {
  font-family: var(--font-display);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: 0;
}

.contact__info-body p {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-normal);
  margin: 0;
}

.contact__info-body a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-out);
}

.contact__info-body a:hover,
.contact__info-body a:focus-visible {
  color: var(--color-accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact__social {
  display: flex;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-divider);
}

.contact__social-link {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-1);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  transition: all var(--dur-base) var(--ease-out);
}

.contact__social-link:hover,
.contact__social-link:focus-visible {
  background: var(--color-brand-primary);
  color: var(--color-text-on-brand);
  border-color: var(--color-brand-primary);
  transform: translateY(-2px);
}

/* Form wrap */
.contact__form-wrap {
  position: relative;
  padding: var(--space-8);
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 0 1px rgba(154, 113, 255, .04), 0 8px 30px -8px rgba(154, 113, 255, .2);
}

.contact__form {
  display: grid;
  gap: var(--space-5);
}

.form__field {
  display: flex;
  flex-direction: column;
}

.form__field label {
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.form__field input,
.form__field textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--fs-body);
  color: var(--color-text-primary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  transition:
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out);
}

.form__field input::placeholder,
.form__field textarea::placeholder {
  color: var(--color-text-muted);
}

.form__field textarea {
  resize: vertical;
  min-height: 120px;
  line-height: var(--lh-relaxed);
}

.form__field input:hover,
.form__field textarea:hover {
  border-color: var(--color-border-strong);
}

.form__field input:focus,
.form__field input:focus-visible,
.form__field textarea:focus,
.form__field textarea:focus-visible {
  outline: none;
  border-color: var(--color-brand-primary-300);
  box-shadow: 0 0 0 3px rgba(154, 113, 255, .15);
}

.form__field input[aria-invalid="true"],
.form__field textarea[aria-invalid="true"] {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(255, 107, 138, .12);
}

.form__error {
  display: block;
  min-height: 18px;
  margin-top: var(--space-1);
  font-size: var(--fs-caption);
  color: var(--color-error);
  line-height: 1.4;
}

.form__feedback {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--fs-body-sm);
  line-height: var(--lh-relaxed);
}

.form__feedback[data-state="success"],
.form__feedback.is-success {
  background: rgba(61, 240, 216, .08);
  color: var(--color-accent-primary);
  border: 1px solid rgba(61, 240, 216, .32);
}

.form__feedback[data-state="error"],
.form__feedback.is-error {
  background: rgba(255, 107, 138, .08);
  color: var(--color-error);
  border: 1px solid rgba(255, 107, 138, .32);
}

/* ============ FOOTER ============ */
.footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border-divider);
  padding-block: var(--space-16);
  margin-top: var(--space-16);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-10);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border-divider);
}

.footer__col--brand {
  grid-column: span 1;
}

.footer__logo {
  height: 80px;
  width: auto;
  margin-bottom: var(--space-5);
}

.footer__about {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  max-width: 32ch;
  margin-bottom: var(--space-5);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-1);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  transition: all var(--dur-base) var(--ease-out);
}

.footer__social-link:hover,
.footer__social-link:focus-visible {
  background: var(--color-brand-primary);
  color: var(--color-text-on-brand);
  border-color: var(--color-brand-primary);
  transform: translateY(-2px);
}

.footer__title {
  font-family: var(--font-display);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__list li,
.footer__list a {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-out);
}

.footer__list a:hover,
.footer__list a:focus-visible {
  color: var(--color-accent-primary);
}

.footer__legal {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-2);
}

.footer__container {
  display: flex;
  flex-direction: column;
}

/* ============ SCROLL-TOP ============ */
.scroll-top {
  position: fixed;
  right: var(--space-6);
  bottom: calc(var(--space-6) + 64px);
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-brand-primary);
  color: var(--color-text-on-brand);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  z-index: var(--z-scroll-top);
  transform: translateY(0);
  opacity: 1;
  transition:
    transform var(--dur-base) var(--ease-out),
    opacity var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out);
  animation: scroll-top-in var(--dur-slow) var(--ease-out) both;
}

@media (min-width: 640px) {
  .scroll-top {
    bottom: calc(var(--space-6) + 72px);
  }
}

.scroll-top[hidden] {
  display: none;
}

.scroll-top:hover {
  background: var(--color-brand-primary-600);
  transform: translateY(-3px);
}

@keyframes scroll-top-in {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

/* ============ WHATSAPP FAB ============ */
.whatsapp-fab {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 56px;
  height: 56px;
  padding: 0;
  background: #25D366;
  color: #ffffff;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body-sm);
  box-shadow:
    0 12px 36px -8px rgba(37, 211, 102, .55),
    0 0 0 1px rgba(37, 211, 102, .4);
  z-index: calc(var(--z-scroll-top) + 1);
  cursor: pointer;
  isolation: isolate;
  overflow: visible;
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
  animation: whatsapp-enter 600ms var(--ease-out) 600ms backwards;
}

.whatsapp-fab:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 18px 48px -8px rgba(37, 211, 102, .65),
    0 0 0 1px rgba(37, 211, 102, .55);
}

.whatsapp-fab:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 3px;
}

.whatsapp-fab__icon {
  position: relative;
  z-index: 1;
  width: 28px;
  height: 28px;
  color: #ffffff;
  flex-shrink: 0;
}

.whatsapp-fab__pulse {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: #25D366;
  opacity: .4;
  z-index: -1;
  pointer-events: none;
  animation: wa-pulse 2.4s ease-out infinite;
}

.whatsapp-fab__label {
  display: none;
  position: relative;
  z-index: 1;
}

@keyframes wa-pulse {
  0%   { transform: scale(1);   opacity: .4; }
  100% { transform: scale(1.5); opacity: 0;  }
}

@keyframes whatsapp-enter {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

@media (min-width: 768px) {
  .whatsapp-fab {
    width: auto;
    height: auto;
    padding: var(--space-3) var(--space-5) var(--space-3) var(--space-3);
    gap: var(--space-3);
  }

  .whatsapp-fab__label {
    display: inline;
  }
}

/* ============ CURSOR GLOW ============ */
.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 400px;
  height: 400px;
  border-radius: var(--radius-full);
  pointer-events: none;
  background: radial-gradient(circle, rgba(154, 113, 255, .12), transparent 60%);
  mix-blend-mode: screen;
  transform: translate3d(var(--cursor-x, -1000px), var(--cursor-y, -1000px), 0) translate(-50%, -50%);
  transition: transform 80ms linear;
  z-index: var(--z-tooltip);
  will-change: transform;
}

@media (hover: none) {
  .cursor-glow {
    display: none;
  }
}

/* ============ LIGHT THEME COMPONENT OVERRIDES ============ */

/* Cursor glow: desativado no light (em fundo claro fica mais ruído que charme) */
[data-theme="light"] .cursor-glow {
  display: none;
}

/* Eyebrow stroke: esconde o traço para reduzir ruído visual */
[data-theme="light"] .eyebrow::before {
  display: none;
}

/* Inputs: branco puro, borda muito sutil, focus discreto */
[data-theme="light"] .form__field input,
[data-theme="light"] .form__field textarea {
  background: #ffffff;
  border-color: var(--color-border-subtle);
}

[data-theme="light"] .form__field input:hover,
[data-theme="light"] .form__field textarea:hover {
  border-color: var(--color-border-strong);
}

[data-theme="light"] .form__field input:focus,
[data-theme="light"] .form__field input:focus-visible,
[data-theme="light"] .form__field textarea:focus,
[data-theme="light"] .form__field textarea:focus-visible {
  border-color: var(--color-brand-primary-300);
  box-shadow: 0 0 0 3px rgba(154, 113, 255, .10);
}

/* Cards: shadows muito mais sutis, sem glow vibrante */
[data-theme="light"] .card {
  box-shadow: 0 1px 3px rgba(39, 29, 64, .06);
}

[data-theme="light"] .card:hover {
  box-shadow: 0 6px 16px rgba(39, 29, 64, .08);
}

[data-theme="light"] .card:hover::before {
  opacity: .25;
}

/* Contact form-wrap, info-item: sombra mínima */
[data-theme="light"] .contact__form-wrap {
  box-shadow: 0 1px 3px rgba(39, 29, 64, .05);
}

[data-theme="light"] .contact__info {
  box-shadow: 0 1px 3px rgba(39, 29, 64, .05);
}

/* CTA banner: sólido off-white, sem mesh gradient pesado */
[data-theme="light"] .cta-banner__inner {
  background: var(--color-surface-2);
  border-color: var(--color-border-subtle);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .6);
}

[data-theme="light"] .cta-banner__inner::before {
  display: none;
}

/* Process: número do passo sobre fundo branco mantém contraste */
[data-theme="light"] .process__num {
  background: var(--color-surface-2);
  border-color: var(--color-border-subtle);
}

/* Process timeline connector: gradient mais discreto no light */
[data-theme="light"] .process__timeline::before {
  opacity: .25;
}

/* Ghost button hover: garante feedback visível em light */
[data-theme="light"] .btn--ghost:hover {
  background: rgba(154, 113, 255, .08);
}

/* Primary button no light: glow reduzido, mantém identidade roxa */
[data-theme="light"] .btn--primary {
  box-shadow: 0 6px 20px -6px rgba(154, 113, 255, .35);
}

[data-theme="light"] .btn--primary:hover {
  box-shadow: 0 10px 28px -8px rgba(154, 113, 255, .45);
}

/* Mobile nav drawer / dropdowns: sombras suavíssimas */
[data-theme="light"] .mobile-nav {
  border-left-color: var(--color-border-subtle);
  box-shadow: 0 8px 24px rgba(39, 29, 64, .08);
}

[data-theme="light"] .lang-switcher__menu {
  box-shadow: 0 8px 24px rgba(39, 29, 64, .08);
  border-color: var(--color-border-subtle);
}

/* Hero card glow: substitui shadow-glow pesado por sombra suave */
[data-theme="light"] .hero__card {
  box-shadow: 0 4px 24px rgba(39, 29, 64, .08);
}

/* Hero hub center drop-shadow reduzido para fundo claro */
[data-theme="light"] .hero__hub-center {
  filter: drop-shadow(0 4px 12px rgba(154, 113, 255, .20));
}

/* Hero hub pulse ring: opacidade base reduzida */
[data-theme="light"] .hero__hub-pulse {
  opacity: .18;
}

/* Stack icons: opacidade maior para legibilidade em fundo claro */
[data-theme="light"] .stack__icon {
  opacity: .8;
}

/* Metric value gradient text: ciano mais escuro garante contraste */
[data-theme="light"] .metric__value {
  background: linear-gradient(135deg, var(--color-brand-primary-300) 0%, var(--color-accent-primary-600) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

/* About visual: glow/grid mais discretos em fundo claro, sombra da pessoa suave */
[data-theme="light"] .about__visual-glow {
  opacity: .35;
}

[data-theme="light"] .about__visual-grid {
  opacity: .15;
}

[data-theme="light"] .about__visual-picture {
  box-shadow: 0 18px 28px rgba(39, 29, 64, .12);
}

[data-theme="light"] .about__visual-chip {
  box-shadow: 0 4px 14px rgba(39, 29, 64, .08);
}

[data-theme="light"] .about__visual-chip-dot {
  box-shadow: 0 0 0 4px rgba(31, 211, 187, .15);
}

/* CTA banner figure: light theme — pessoa mais presente mas ainda decorativa */
[data-theme="light"] .cta-banner__figure img {
  opacity: .35;
  filter: grayscale(.25) saturate(.9) brightness(1);
}

/* ============ THEME TRANSITION (suave entre dark/light) ============ */
body,
.header,
.footer,
.card,
.contact__info,
.contact__form-wrap,
.form__field input,
.form__field textarea,
.mobile-nav,
.lang-switcher__trigger,
.lang-switcher__menu,
.theme-toggle,
.hero__card,
.cta-banner__inner,
.process__num {
  transition:
    background-color var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}

/* ============ REVEAL ANIMATIONS ============ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 600ms var(--ease-out),
    transform 600ms var(--ease-out);
  transition-delay: calc(var(--stagger-i, 0) * 80ms);
  will-change: opacity, transform;
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* Stagger children using data-stagger-i */
[data-reveal] [data-stagger-i] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 600ms var(--ease-out),
    transform 600ms var(--ease-out);
  transition-delay: calc(var(--stagger-i, 0) * 80ms);
}

[data-reveal].is-revealed [data-stagger-i] {
  opacity: 1;
  transform: none;
}

/* Headline split (JS wraps each word in a span) */
[data-headline-split] .word {
  display: inline-block;
  opacity: 0;
  filter: blur(8px);
  transform: translateY(8px);
  transition:
    opacity 480ms var(--ease-out),
    filter 480ms var(--ease-out),
    transform 480ms var(--ease-out);
  transition-delay: calc(var(--word-i, 0) * 60ms);
  will-change: opacity, filter, transform;
}

[data-reveal].is-revealed [data-headline-split] .word,
[data-headline-split].is-revealed .word {
  opacity: 1;
  filter: blur(0);
  transform: none;
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal],
  [data-reveal] [data-stagger-i],
  [data-headline-split] .word {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }

  .hero__card,
  .hero__status-dot,
  .hero__hub-lines line,
  .hero__hub-pulse,
  .hero__hub-node,
  .whatsapp-fab,
  .whatsapp-fab__pulse,
  .about__visual-img,
  .about__visual-chip,
  .about__visual-chip--top,
  .about__visual-chip--bottom,
  .about__visual-chip-dot {
    animation: none !important;
  }

  .about__visual-chip {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ============ RESPONSIVE — MIN-WIDTH BREAKPOINTS ============ */

/* <640px — esconde o código da bandeira para economizar espaço */
@media (max-width: 639.98px) {
  .lang-switcher__code {
    display: none;
  }

  .lang-switcher__trigger {
    padding: var(--space-1) var(--space-2);
    gap: var(--space-1);
  }

  /* Chips do about menores e ancorados para evitar overflow lateral */
  .about__visual-chip {
    font-size: .75rem;
    padding: var(--space-1) var(--space-2);
    gap: 6px;
  }

  .about__visual-chip--top {
    top: 4%;
    left: 0;
  }

  .about__visual-chip--bottom {
    bottom: 6%;
    right: 0;
  }
}

/* <768px — esconde a pessoa decorativa do CTA banner (já tem muito conteúdo no mobile) */
@media (max-width: 767.98px) {
  .cta-banner__figure {
    display: none;
  }
}

/* ≥640px — small tablets / large phones */
@media (min-width: 640px) {
  .hero__actions {
    flex-direction: row;
    flex-wrap: wrap;
    width: auto;
  }

  .hero__actions .btn {
    width: auto;
  }

  .metrics__grid {
    grid-template-columns: repeat(2, 1fr);
  }

}

/* ≥768px — tablets */
@media (min-width: 768px) {
  :root {
    --header-h: 72px;
  }

  .header__inner {
    height: 72px;
  }

  .header__actions {
    gap: var(--space-3);
  }

  .lang-switcher__trigger {
    height: 36px;
  }

  body.is-scrolled .header__inner,
  .header.is-compact .header__inner {
    height: 60px;
  }

  .hero {
    min-height: 100svh;
    display: flex;
    align-items: center;
  }

  .hero__container {
    width: 100%;
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process__timeline {
    flex-direction: row;
    gap: var(--space-6);
  }

  .process__timeline::before {
    top: 28px;
    bottom: auto;
    left: 28px;
    right: 28px;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--color-brand-primary), var(--color-accent-primary));
  }

  .process__step {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    flex: 1;
  }

  .metric {
    padding: var(--space-4) var(--space-6);
  }
}

/* ≥1024px — desktop */
@media (min-width: 1024px) {
  .header__nav {
    display: flex;
    align-items: center;
  }

  .header__cta {
    display: inline-flex;
  }

  .header__menu-toggle {
    display: none;
  }

  .mobile-nav {
    display: none !important;
  }

  .hero__container {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-16);
  }

  .about__container {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: var(--space-12) var(--space-12);
    align-items: stretch;
  }

  .about__content {
    order: 1;
    align-self: center;
  }

  .about__visual {
    order: 2;
    align-self: stretch;
    aspect-ratio: auto;
    min-height: 520px;
  }

  /* Só a foto sangra até a borda direita da viewport — os chips ficam no frame original */
  .about__visual .about__visual-picture {
    width: calc(100% + max(
      var(--container-px),
      calc((100vw - var(--container-max)) / 2 + var(--container-px))
    ));
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: 0;
  }

  /* Chips ancorados à direita (sobre a área escura, sem cobrir a foto da pessoa à esquerda) */
  .about__visual-chip--top {
    top: var(--space-6);
    left: auto;
    right: var(--space-6);
  }

  .about__visual-chip--bottom {
    bottom: var(--space-6);
    right: var(--space-6);
  }

  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .values__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .metrics__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact__grid {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-12);
  }

  .contact__info {
    grid-template-columns: 1fr 1fr;
  }

  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-8);
  }

  .contact__form-wrap {
    padding: var(--space-10);
  }
}

/* ≥1280px — wide */
@media (min-width: 1280px) {
  .hero {
    padding-top: calc(var(--space-24) + 2rem);
  }

  .hero__container {
    gap: var(--space-20);
  }
}

/* ≥1536px — extra wide */
@media (min-width: 1536px) {
  :root {
    --container-max: 1320px;
  }
}

/* ============ PRINT ============ */
@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 11pt;
  }

  .header,
  .scroll-progress,
  .scroll-top,
  .cursor-glow,
  .hero__canvas,
  .header__menu-toggle,
  .mobile-nav,
  .cta-banner__inner::before,
  .btn--primary::after {
    display: none !important;
  }

  a {
    text-decoration: underline;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 9pt;
  }

  section {
    padding-block: 1rem;
    break-inside: avoid;
  }

  .card,
  .contact__info,
  .contact__form-wrap {
    border: 1px solid #ccc !important;
    break-inside: avoid;
  }
}